The potential monitoring device Type 8538 operates as a remote reporting device and monitors the electrical isolation of insulated rail joints, overvoltage protectors and similar devices depending on the voltage.
Technical Data
Dimensions
W/H/D 100/70/115 mm
Housing
ABS / Polycarbonate
Mounting
2 bores according to template, Top
hat rail
according to DIN
EN 50022
Protective device
Casing: IP 40; Terminals IP: 10
Ambient temp.
-20° C to +
60° C
Connections
2 x 2.5 mm2 solid
according to
DIN
46288 or 2 x 1.5 mm2 with
sleeve
Supply terminal
18 (PE); terminal 19 (N); terminal
20
(L)
Supply voltage
AC 230 V +10/-15 % (48 - 62 Hz);
approx.
3 VA
DC
19.2 V - 80 V; terminal 19
(L-);
terminal
20 (L+); approx. 1.5 W
Measurement input
Terminal 12 (BE), terminal 14 (WE)
Input resistance
Approx. 1 M?.
Input voltage
Max. 900 V continuous
Relay output
Terminal 1, 2, 3 (1 u,
potential-.free)
Response time
Dependent on position of selector
switch Position 0 60 sec.,
Positions 1
to
9 = displayed number x 12 h
Contact ass.
AC 250 V / 4 A cos? > 0.7
DC
120 V / 1 A resistive load
Displays
By means of LED’s; see reverse
1 yellow LED for relay closed
(normal operating)
1 yellow LED for teaching in phase
1
red LED for faults
1
red LED for warning
Times
Teaching in phase < 30 sec.
Test voltage
4 kVe?.
Accessories
Protective casing (IP
65) for external
fitting
Ordering Information
Type
Order No.
85380 (AC Version)
220100
85381 (DC-Version)
220101
